<template>
  <div>
    <!-- 面包屑导航区-->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddpage">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- table 表格数据 -->
      <el-table :data="goodslist" border stripe>
        <el-table-column type="index" align="center"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name" width="300px" align="center"></el-table-column>
        <el-table-column
          label="商品价格(元)"
          prop="goods_price"
          align="center"
        ></el-table-column>
        <el-table-column
          label="商品重量"
          prop="goods_weight"
          align="center"
        ></el-table-column>
        <el-table-column
          label="商品数量"
          prop="goods_number"
          align="center"
        ></el-table-column>
        <!-- <el-table-column label="创建时间" prop="add_time" align="center">
          <template slot-scope="scope">{{
            scope.row.add_time | dataFormat
          }}</template>
        </el-table-column> -->
        <el-table-column label="操作" width="150px" align="center">
          <template slot-scope="scope">
            <!-- <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
            ></el-button> -->
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeById(scope.row.goods_id)"
            ></el-button>
          </template>
        </el-table-column>
      </el-table>
       <!-- 分页操作 -->
       <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[5, 10, 15, 20]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total" background>
    </el-pagination>
    </el-card>
  </div>
</template>
<script>
export default {
  data() {
    return {
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      // 商品列表
      goodslist: [],
      // 总数据条数
      total: 0
    }
  },
  created() {
    this.getGoodsList()
  },
  methods: {
    // 根据分页获取对应的商品列表
    async getGoodsList() {
      const { data: res } = await this.$http.get('goods', {
        params: this.queryInfo
      })
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品列表失败')
      }
      this.$message.success('获取商品列表成功')
      console.log(res.data)
      this.goodslist = res.data.goods
      this.total = res.data.total
    },
    handleSizeChange(newSize){
      this.queryInfo.pagesize=newSize
      this.getGoodsList()
    },
    handleCurrentChange(newNum){
      this.queryInfo.pagenum=newNum
      this.getGoodsList()
    },
    async removeById(goods_id){
    // 用到提示框组件
   const confirmResult=await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
      confirmButtonText: '确定',
      cancelButtonText: '取消',
      type: 'warning'
    }).catch(err=>err)
    // 用户取消了删除操作
    if(confirmResult!=='confirm'){
      return this.$message.info('已取消删除')
    }
    // 否则进行删除操作
    const{data:res}=await this.$http.delete(`goods/${goods_id}`)
    if(res.meta.status!==200){
      return this.$message.error('删除参数失败')
    }
    this.$message.success('删除参数成功')
    this.getGoodsList()
  },
  goAddpage(){
    this.$router.push('/goods/add')
  },
  }
}
</script>
<style lang="less" scoped></style>
